The utility model discloses a convenient chair for pissing or shitting, mainly comprising a bedpan which is pushed to the lower part of the sitting position via a guide slot from the back of the chair back and is suspended under the hole on the chair seat and a movable sofa cushion which can cover the bedpan. The utility model is a chair with arm-rests. The utility model has simple structure, safety, convenience, comfort and sanitation, which is an ideal pissing or shitting tool for families in particular to the old people and the disabled people.